// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_
#define CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_

#include <vector>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "content/common/content_export.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/gfx/geometry/rect.h"

#ifdef __OBJC__
@class WebMenuRunner;
#else
class WebMenuRunner;
#endif

namespace content {

class RenderFrameHost;
class RenderFrameHostImpl;
class RenderWidgetHostViewMac;
struct MenuItem;

class PopupMenuHelper : public NotificationObserver {
public:
    // Creates a PopupMenuHelper that will notify |render_frame_host| when a user
    // selects or cancels the popup.
    explicit PopupMenuHelper(RenderFrameHost* render_frame_host);
    void Hide();

    // Shows the popup menu and notifies the RenderFrameHost of the selection/
    // cancellation. This call is blocking.
    void ShowPopupMenu(const gfx::Rect& bounds,
        int item_height,
        double item_font_size,
        int selected_item,
        const std::vector<MenuItem>& items,
        bool right_aligned,
        bool allow_multiple_selection);

    // Immediately return from ShowPopupMenu.
    CONTENT_EXPORT static void DontShowPopupMenuForTesting();

protected:
    virtual RenderWidgetHostViewMac* GetRenderWidgetHostView() const;

    // NotificationObserver implementation:
    void Observe(int type,
        const NotificationSource& source,
        const NotificationDetails& details) override;

    NotificationRegistrar notification_registrar_;
    RenderFrameHostImpl* render_frame_host_;
    WebMenuRunner* menu_runner_;
    bool popup_was_hidden_;

    DISALLOW_COPY_AND_ASSIGN(PopupMenuHelper);
};

} // namespace content

#endif // CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_
